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  1. #1

    Join Date
    Dec 2008
    Coldwater, MI

    Thought I'd made up my mind, but...

    Then I found out about the fancyfoam 3Decathlon! [X(]

    This thing is completely blowing my mind because the one RC plane I've always wanted, more than anything, is a 3D capable Decathlon. I wasn't sure if it was even possible but I've been proven wrong!

    I'm not sure what I should do here though...I was all lined up to buy a UMX Extra 300, probably tomorrow, until I saw this thing. I've been spending more than I should lately and it looks like this might be a bit out of my price range to set up at the moment...I don't really have any experience with building at all so if there's a way to get this thing set up cheaper than I realize, or comparable to the price of the UMX 300, I'd be very interested in getting this instead. If not, well I know I'm definitely going to own one of these at some point. Also not sure if I should be looking at the Depron or EPP version.

    I'd really like to have a nice slow 3D plane as I recently started going to local indoor meets, and at the moment only have my mCPx to fly. Should I go with the UMX for now just for the sake of instant access? I'd really appreciate any help here, I'm awful with decisions!

  2. #2

    Join Date
    May 2009
    Savannah, GA
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    RE: Thought I'd made up my mind, but...

    I have the UMX sbach from E-Flight, and even though it's small I would not consider it to be "a nice slow 3D plane" so be careful in your selection. That sucker is quick and squirrely and needs a lot of outdoor space to keep under control.

    On other planes, if you have a choice of Depron or EPP, both types of foam have advantages. Depron is stiffer, so it's good for larger planes so you won't have a lot of flex. EPP is more forgiving on those hard landings or worse, so it's good for smaller (32" or smaller) where the plane is not heavy enough to cause much flex. Having said that, I recently learned that there are exceptions. Thin Depron (less than 9 mm) is very fragile. Thick EPP (thicker than 9 mm) can be surprisingly stiff and not floppy like a pool noodle.

    Looks like that Decathlon is 3 mm Depron. So it's going to be very light and floaty (nice slow 3D) but won't tolerate any impact with the ground except wheels down slow landing.

    Hope this helps.

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